Attachment for vehicle-wheels.



s. HORVA ATTACHMENT FOR VEHICLE WHEELS.

APPLTCATION FILED MAY 12. 1914 ETSSHEET l.

Patented A 2 S H E T INVENTOR 27 M 4W 4/ I ATTOH/V 1 WITNESSES I s. HORVPTTH.

ATTACHMENT FOR VEHICLE WHEELS.

APPLICATION FILED MAY 12. 1914.

2 SHEETS SHEET 2.

I INVEAIITOR rm/m Patented A 17, 1915' W/T/VESSES v slipping ME rnTT nnion.

SANDOR HORVATH, on NEW YORK, N. Y., ASSIGNOR or ONE-HALF To sANDoR ZSEMBERY, on NEW YORK, N. Y.

Specification of Letters Patent.

Patented Aug. 17, 1915.

Application filed May 12, 1914. Serial No. 838,100.

To all whom it may concern Be it known that I, SANDoR HORVATH, a

subject of the King of Hungary, and resident of the city of New York, in the county of New York and State of'NewYork, have invented certain new and useful Improvements in Attachments for Vehicle-Wheels,

of which the following is a specification.

The present invention relates to an attachment for vehicle wheels which can be employed in conjunction with those provided with either pneumatic or solid tires.

One of the objects of the invention is to provide an attachment for vehicle wheels for the purpose of increasing the traction or driving action of the wheels when the vehicle is traveling-over road-beds that are covered with mud or snow.

Another object of the invention is to provide a device of the character mentioned that prevents thewheels from skidding or sideward when the vehicle is traveling over slippery pavements.

With these and other objects in View,

changes may be made in the size and proportion of the several parts and details of construction within the scope of the appended claim without departing from the spirit or sacrificing any of the advantages of the. invention.

A few of the many possible embodiments of the invention are illustrated in the ac companying drawings, in which Figure 1 is a transverse-cross sectional view through a tire of the pneumatic type with the attachment applied thereto; Fig. 2 is a side elevation showing a portion of a vehicle wheel with the attachment thereon; Fig. 3 is a cross sectional view through a wheel having a solid tire and the attachment fitted thereto; Fig. 4 is a longitudinal section taken through a portion of the attachment shown in Fig. 3; and Fig. 5 is a cross sectional view taken through a modification of the device shown in Fig. 3.

Referring now more particularly to Figs. 1 and 2, the numeral 10 indicates the folly a wheel, that is provided with a rim 11,

usual manner.

the latter supporting a pneumatic tire, consisting of an outer shoe or casing 12 and the inner tube 13. The attachment comprises a sheath 14 of a suitable fabric or leather, such sheath being formed in a continuouspiece or band and encircling the entire outer portion of the tire. Flaps 15, 15 are arranged at suitable intervals upon both sides of the sheath, said flaps being either made integral with the same or they may be attached thereto in any suitable manner. The flaps on one side of the sheath are disposed in registering position with those upon the other side thereof. To the flaps on one side of the sheath are attached straps or flexible bands 16, each being provided with a row of holes l7. These straps are adapted to cooperate with buckles 18, that are carried by straps or flexible bands 19, thelatter being secured to the flaps on the other side of the sheath. To strengthen the flaps, their edges are provided with cords or similar means 20, these cords being interlaced with cords 21, that are in any suitable manner fastened to the sheath above the flaps. To the tread surface of the sheath is secured a solid resilient ring, made, for instance, of rubber, and denoted by the numeral 22, its peripheral or tread portion being curved to conform to the peripheral portion of the tire. In order to insure a firm grip of the rubber ring and to prevent skidding, the tread portion of the ring 22 is transversely corrugated, that is to say it is provided with transversely extending alternate ridges'23 and furrows 24:, from said ridges projecting at intervals studs 25, which are adapted to grip the ground in a well known manner so as to prevent skiddin 11% forming the attachment, the studs 25 are embedded in the rubber ring 22 and the latter attached, preferably in a'mold, by vulcanization to the sheath 14:.

In applying the attachment to a vehicle Wheel, the sheath is drawn around the tire and the straps or fiexible bands 16 engaged with their corresponding buckles 18 in the I The attachment is thus held firmly upon the wheel, creeping being prevented inasmuch as the straps abut against the spokes- 26 of the wheel. The transversely extending ridges 23 and their studs 25 insure a firm grip by the wheels upon muddy or snow coveredroad-beds, and

also on slippery pavements. Injury to the tire is efiectively prevented, inasmuch as the sheath incloses a substantial portion of said tire in contradistinction to thechain type anti-skidding devices, which are objectionable for the reason that they cover only strips of the tire, wear away the covered parts and, upon breaking, seriously interfere, with the mud guard or fenders of the motor vehicles.

A modification of the invention is shown in Figs. 3 andfi of the drawings. In these figures the rim 11 of the-wheel is provided with a solid tire 26', that is substantially rectangular in cross section, and conse- ,quently the ridges 27 ilpon the rubber ring 28 are straight, in the transverse direction. The rubber ring is attached to a sheath 29, the latter havingstraps 30 and 31 secured thereto in the same manner as the corresponding elements shown in Fig. 1 of the drawings are fastened to the sheath 14. Wheels of the type shown in Fig. 3 of the drawings are mostly used upon trucks where slight vibration is not objectionable,

and for this reason the corrugations 27 may be spaced farther apart than in the device shown in Figs. 1 and 2 of the drawings.

In Fig. 5 of the drawings a further modification of the invention is illustrated. In this modification two solid tires 32 and 33 are mounted side by side upon the wheel to provide a large tread surface. Over these tires is drawn a sheath 34:, having fiaps'35 and 36, by means of which the said sheath is attached-to the wheel. A rubber ring 37 is secured in the manner above described to the sheath 34, the central portion of this ring having an inwardly extending ridge 38 which fits into a groove 39, that is formed between the two abutting tires 32 and 33. Otherwise the construction and operation of this device is identical with the one described in connection with Figs. 3 and 4 of the drawings.

What I claim is The combination with a vehicle wheel and its tire, of a sheath encircling the tire and substantially covering the outer portion thereof, means for securing said sheath to said wheel, and aresilient ring forming the tread portion of said sheath, said ring being provided with-transversely extending alternate ridges and furrows, each ridge being curved to conform to the peripheral portion of said tire and also out of-the radial plane placed through the center of the wheel and the base of the ridge.

Signed at New York, in the county of New York and State of New York, this 1st day of May, D. 1914.

sANDoR HoRvA H. 

